Foil Roof Deck Keeps Attic Cool

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.

Foil roof deck keeps attic cool.

Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. As discussed in the insulation buying guide radiant barrier foil insulation is made of a thin sheet of aluminum or other reflective material laid over attic insulation or secured to the roof rafters. Once the solar radiation is absorbed some of the heat still gets ejected to the outside but much of it conducts downward through the roofing materials and roof deck. 48 wide perforated double sided radiant barrier foil best selling.

Products 60 48 26 rolls. Foil insulation is a radiant barrier and it works by. Either up the channel created by the foil between the roof deck and the foil or it will come into the attic below the foil. Regardless of the type of ventilation systems you have this is the best way to do it.

When done this way fresh outside air will enter the attic low at the soffit level and it will go one of two routes. We take a look at how radiant barriers work the different types of radiant barriers and some of the. There it radiates down into the attic heating up the insulation the framing the ductwork and the boxes of christmas tree ornaments.